front firing and 18 in a trunk, need allot of insight

Okay so I am running a Sundown Audio Zv4 18" On an aq2200, Its going into a 2002 Infiniti I35(same as Nissan Maxima) My maximum box dimensions are 38 x 19.5 x 31 and that is if I build it in two halfs like this

It could be slightly larger if we built it in the trunk, the main hurdle is the opening between the seats and the cabin, its like 14 inch high and 28 inches wide, so I need to build it a bit further back and seal. I want good sq with as much SPL as low/Muscial will permit. The only other option that I can think of is fiberglassing the whole spare tire well. and extending the front baffle into it, and building the rest around the tire well, and that is not in my wheel house,

Re: front firing and 18 in a trunk, need allot of insight

Originally Posted by -BenBen-

Unless you do sub up..would that work

When i had my hcca it was sub forward, port side, and it sounded like complete crap. My trunk is a rattle trap, and all of the deadening on earth couldn't prevent the quarter panel from vibrating against the wheel well...although foam helped. So I think my life would be alot happier with the trunk sealed off from the pressure.

sub up would be loud, but not in a very good way

Originally Posted by jaeguerra909

U could do a pair of x 12s

thought about that, but no one seems to pleased with the x series, and that scares me

Re: front firing and 18 in a trunk, need allot of insight

Originally Posted by adjetta

When i had my hcca it was sub forward, port side, and it sounded like complete crap. My trunk is a rattle trap, and all of the deadening on earth couldn't prevent the quarter panel from vibrating against the wheel well...although foam helped. So I think my life would be alot happier with the trunk sealed off from the pressure.

sub up would be loud, but not in a very good way

thought about that, but no one seems to pleased with the x series, and that scares me

lol im not so sure its that they arent pleased with them i think every one just wanted to throw a ton of power to them i mean the zv4 motor can handle a lot more but the x 12s are suppose to get pretty low thats what im doing next in my daily is two x 12s

Re: front firing and 18 in a trunk, need allot of insight

i ran two twelves in the rear deck of my 2002 maxima, it sounded fantastic, also didnt require the seats to be folded down, I switched to an infiniti G35 and i really hate the fact that i cant mount subs in the rear deck.... one 18 firing forward would sound good though, or cut the deck out and fire it upwards towards the back glass, just make sure its sealed off so the sound isnt staying in the trunk.

Re: front firing and 18 in a trunk, need allot of insight

With size dim. Being an issue id go with three or four 8in sub and go with a well tuned 6th or 4th order. Or tline may be your best bet with very good output.

Or a pair of beefy 10in in a 4th or tline.

U dont want to stuff a big *** sub in a small space.

I want to use the space u have to the subs advantage.

Ull be surprised on a smaller subs output if your enclosure is done right.

I agree a 4th order ported through the ski hole can be very dangerous. I just heard an Infiniti M35(I know different than yours) with a 2 tens in a 4th order ported through the ski hole. Let me say it hit hard and there wasnt a rattle anywhere on the outside and he didnt deaden a thing on the car. A Tline with any line length will take up the whole truck as well, I would rule that out. The work to cram an 18" in isnt worth it when you can get the same output from mulitple smaller subs.

Re: front firing and 18 in a trunk, need allot of insight

Im not saying its impossible to fit that 18 in there its just more work than it is worth. Youre talking about doing some serious modifications to your car to get that to fit in there in any kind of a respectable enclosure.

Re: front firing and 18 in a trunk, need allot of insight

For once I have to go with the majority here.. If you plan on running at least the RMS to the 18 2 12's on the same power will be just as loud due to power compression favoring the 12's and cone area favoring the 18..

Originally Posted by sdmtnbiker420

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